Patchwork D7597: dirs: fix out-of-bounds access in Py3

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Submitter phabricator
Date Dec. 11, 2019, 11:54 a.m.
Message ID <d71e5809741d716b21dcf60b20cb549e@localhost.localdomain>
Download mbox | patch
Permalink /patch/43705/
State Not Applicable
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phabricator - Dec. 11, 2019, 11:54 a.m.
Closed by commit rHGa47ccdcce4f9: dirs: fix out-of-bounds access in Py3 (authored by martinvonz).
This revision was automatically updated to reflect the committed changes.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D7597?vs=18591&id=18602

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D7597/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D7597

AFFECTED FILES
  mercurial/cext/dirs.c

CHANGE DETAILS




To: martinvonz, #hg-reviewers, spectral, pulkit
Cc: mercurial-devel

Patch

diff --git a/mercurial/cext/dirs.c b/mercurial/cext/dirs.c
--- a/mercurial/cext/dirs.c
+++ b/mercurial/cext/dirs.c
@@ -14,7 +14,7 @@ 
 #include "util.h"
 
 #ifdef IS_PY3K
-#define PYLONG_VALUE(o) ((PyLongObject *)o)->ob_digit[1]
+#define PYLONG_VALUE(o) ((PyLongObject *)o)->ob_digit[0]
 #else
 #define PYLONG_VALUE(o) PyInt_AS_LONG(o)
 #endif